anv: Try the first 8 render nodes instead of just renderD128

This way, if you have other cards installed, the Vulkan driver will still
work.  No guarantees about WSI working correctly but offscreen should at
least work.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95537

src/intel/vulkan/anv_device.c

@@ -73,8 +73,7 @@ anv_physical_device_init(struct anv_physical_device *device,
 
    device->chipset_id = anv_gem_get_param(fd, I915_PARAM_CHIPSET_ID);
    if (!device->chipset_id) {
-      result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
-                         "failed to get chipset id: %m");
+      result = VK_ERROR_INITIALIZATION_FAILED;
       goto fail;
    }
 
@@ -314,8 +313,15 @@ VkResult anv_EnumeratePhysicalDevices(
    VkResult result;
 
    if (instance->physicalDeviceCount < 0) {
+      char path[20];
+      for (unsigned i = 0; i < 8; i++) {
+         snprintf(path, sizeof(path), "/dev/dri/renderD%d", 128 + i);
          result = anv_physical_device_init(&instance->physicalDevice,
-                                        instance, "/dev/dri/renderD128");
+                                           instance, path);
+         if (result == VK_SUCCESS)
+            break;
+      }
+
       if (result == VK_ERROR_INCOMPATIBLE_DRIVER) {
          instance->physicalDeviceCount = 0;
       } else if (result == VK_SUCCESS) {